Attoui, B., Kherici, N, and Kherici-Bousnoubra, H. (2014). Use of a new method for determining the vulnerability and risk of pollution of major groundwater reservoirs in the region of Annaba–Bouteldja (NE Algeria). Environmental Earth Science, 72(3), 891-903. (Retraction published 2015, Environmental Earth Sciences, 73, p. 4396).

Hoffstetter, H. W. (1970), Some observations on phantom visual imagery. American Journal of Optometry and Archives of American Academy of Optometry, 47, 361-366.

Howard, R. M. (1999). The new abolitionism comes to plagiarism. In L. Buranen, L. & M. Roy (Eds.) Perspectives on plagiarism and intellectual property in a postmodern world. N.Y.: State University of New York.

Kohler, C. S. (2012). Publications Policy Committee of the American Diabetes Association. Updates to policies and procedures related to potential scientific and academic misconduct in the journals of the American Diabetes Association. Diabetes, 61, 38–39.

Price, A. (2006). Cases of plagiarism handled by the United States Office of Research Integrity 1992-2005. Plagiary: Cross Disciplinary Studies in Plagiarism, Fabrication, and Falsification, 1(1), 1-11. Available at http://www.plagiary.org.